diff --git a/src/main/target/F4BY/target.h b/src/main/target/F4BY/target.h
index d1ddd3f63..c2e45fcf4 100644
--- a/src/main/target/F4BY/target.h
+++ b/src/main/target/F4BY/target.h
@@ -64,7 +64,7 @@
 #define USE_SDCARD_SPI
 #define SDCARD_SPI_INSTANCE     SPI2
 #define SDCARD_SPI_CS_PIN       PE15
-#define SDCARD_DMA_CHANNEL_TX               DMA1_Stream3
+#define SDCARD_DMA_CHANNEL_TX               DMA1_Stream4
 #define SDCARD_DMA_CHANNEL                  0
 
 #define USE_VCP